Home / 219,918.61-329,877.92-126,364.69

Finding the Fourth Proportional to 219,918.61, 329,877.92 and 126,364.69

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Solution

The fourth proportional to 219,918.61, 329,877.92 and 126,364.69 is: 189,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,918.61 : 329,877.92 = 126,364.69 : x
  2. Step 2: Convert to fraction form
    219,918.61/329,877.92 = 126,364.69/x
  3. Step 3: Cross multiply
    219,918.61x = 329,877.92 × 126,364.69
  4. Step 4: Simplify right side
    219,918.61x = 41,684,920,466.82
  5. Step 5: Solve for x
    x = 41,684,920,466.82/219,918.61
  6. Step 6: Final answer
    x = 189,547.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.